World Bank. Operations Evaluation Dept. (2002). Social funds: Assessing effectiveness. World Bank.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Bank. Operations Evaluation Dept. Social Funds: Assessing Effectiveness. Washington, D.C.: World Bank, 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)World Bank. Operations Evaluation Dept. Social Funds: Assessing Effectiveness. World Bank, 2002.